1. The impact of perming on pregnancy Perming is a common hairdressing method, but many people are worried that perming will have adverse effects on pregnancy. In fact, perming has little impact on pregnancy. As long as you choose the correct hair care products and methods and use them rationally, they will not cause too much harm to pregnancy. 2. How long does it take to get pregnant after a perm? Normally, you can get pregnant immediately after a perm. Because the perming agent will only act on the scalp and hair and will not enter the blood circulation.